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Finding the Fourth Proportional to 84,110.01, 116,071.48 and 45,869.47

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Solution

The fourth proportional to 84,110.01, 116,071.48 and 45,869.47 is: 63,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,110.01 : 116,071.48 = 45,869.47 : x
  2. Step 2: Convert to fraction form
    84,110.01/116,071.48 = 45,869.47/x
  3. Step 3: Cross multiply
    84,110.01x = 116,071.48 × 45,869.47
  4. Step 4: Simplify right side
    84,110.01x = 5,324,137,036.87
  5. Step 5: Solve for x
    x = 5,324,137,036.87/84,110.01
  6. Step 6: Final answer
    x = 63,299.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.